[llvm] [LV][VPlan] Introduce VPScalarStore recipe to handle scalar stores in exit block. (PR #93148)

[Florian Hahn via llvm-commits]

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@@ -2963,6 +2965,54 @@ class VPScalarIVStepsRecipe : public VPRecipeWithIRFlags {
   }
 };
 
+/// A recipe to represent scalar stores that sink outside the vector loop.
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fhahn wrote:

Would be good to remove the reference of sinking, the main thing is it should be outside any vector loop region an will only generate a single instance

https://github.com/llvm/llvm-project/pull/93148